Overview
The AD420ANZ-32, produced by Analog Devices Inc., is a comprehensive digital to current loop output converter designed to meet the stringent requirements of the industrial control market. This single-chip solution is capable of generating 4 mA to 20 mA or 0 mA to 20 mA signals, making it highly versatile for various industrial applications. The AD420ANZ-32 features high precision, 16-bit resolution, and monotonicity, ensuring reliable and accurate performance in demanding environments.
Key Specifications
| Parameter | Min | Typ | Max | Units | Comments |
|---|---|---|---|---|---|
| Current Output Range | 0 mA | - | 20 mA / 24 mA | - | Depending on configuration |
| Resolution | - | - | 16 bits | - | - |
| Integral Nonlinearity | - | - | ±0.012% | - | Max |
| Offset Error | - | - | ±0.05% (trimmable) | - | Max |
| Total Output Error | - | - | ±0.15% (trimmable) | - | Max |
| Power Supply Range | 12 V | - | 32 V | - | - |
| Quiescent Current | 4.2 mA | 5.5 mA | - | - | - |
| Temperature Range | -40°C | - | +85°C | - | Specified performance |
| Output Loop Compliance | 0 V | - | VCC - 2.75 V | - | - |
Key Features
- High precision 16-bit resolution and monotonicity
- Flexible serial digital interface with 3.3 MBPS data rate in 3-wire mode and 150 kBPS in asynchronous mode
- On-chip loop fault detection and on-chip 5 V reference (25 ppm/°C max)
- Asynchronous CLEAR function and maximum power supply range of 32 V
- Output loop compliance of 0 V to VCC - 2.75 V
- Available in 24-lead SOIC and PDIP packages
- Option to provide a voltage output instead of a current loop output with an external amplifier
Applications
The AD420ANZ-32 is designed to meet the needs of the industrial control market. It is suitable for applications requiring high precision current loop output, such as process control systems, industrial automation, and instrumentation. The device's robust specifications and features make it ideal for use in environments that demand reliability and accuracy.
Q & A
- What is the primary function of the AD420ANZ-32? The AD420ANZ-32 is a digital to current loop output converter, generating 4 mA to 20 mA or 0 mA to 20 mA signals.
- What is the resolution of the AD420ANZ-32? The AD420ANZ-32 has a 16-bit resolution.
- What is the maximum integral nonlinearity of the AD420ANZ-32? The maximum integral nonlinearity is ±0.012%.
- What is the power supply range for the AD420ANZ-32? The power supply range is from 12 V to 32 V.
- What is the temperature range for specified performance of the AD420ANZ-32? The specified performance temperature range is from -40°C to +85°C.
- Does the AD420ANZ-32 have on-chip loop fault detection? Yes, the AD420ANZ-32 features on-chip loop fault detection.
- Can the AD420ANZ-32 provide a voltage output instead of a current loop output? Yes, with the addition of a single external amplifier, the AD420ANZ-32 can provide voltage outputs such as 0 V–5 V, 0 V–10 V, ±5 V, or ±10 V.
- What are the available package types for the AD420ANZ-32? The AD420ANZ-32 is available in 24-lead SOIC and PDIP packages.
- What is the maximum output loop compliance of the AD420ANZ-32? The output loop compliance is 0 V to VCC - 2.75 V.
- Does the AD420ANZ-32 have an asynchronous CLEAR function? Yes, the AD420ANZ-32 includes an asynchronous CLEAR function.
